A. Features: 1. The fan has an advanced control system, reliable performance, full - function and universal application. 2. It is equipped with a brushed and high - quality motor, which can ensure strong wind and a relatively long service life. 3. It uses an international standard capacity and can charge 18650 lithium batteries (18650 is not included). 4. It is a professional portable fan with design integration, a simple appearance and an enterprise - like structure. 5. The LED light is long. Click the green light key to turn on or off the light. 6. It comes with an LED light, which is suitable for outdoor activities at night. 7. It is a good travel fan for cooling or other uses in hot weather, such as sunbathing and camping. 8. You need to buy 18650 by yourself. This fan can also be powered by a power bank, USB charger, computer USB port and other 5V power supplies. 9. Long press the power off button to turn off the fan. In the USB power state, there is only one gear. B. Specifications: 1. Item Type: Mini 18650 USB Fan 2. Material: ABS 3. Color: Pink / Blue / White / Black / Green (Optional) 4. Size: - Fan Size: Approximately 14x10x4cm - USB Cable Length: 25cm 5. Output Power: Up to 5W 6. Power Supply: 1pc 18650 Lithium - 3.7V (Battery not included), need to purchase 18650 yourself (Can be charged with USB charging cable) 7. Charging: 4 - 5 hours 8. Working Time: 1.5 - 6.5 hours. The actual color of the item reflects its real color. 9. Please compare the detail sizes with yours. Due to manual measurement, a difference of 1 - 3mm is possible. 1cm = 10mm = 0.39in C. Package includes: 1. 1 X Fan 2. 1 X USB Charging Cable